When troubleshooting don’t ever just stop at the first problem, always keep looking and always test the system operations, I found a major flaw in the schematic on this evaporator and I’m glad I caught it while onsite.

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00:00 SPONSOR CARD
00:09 VIDEO START
00:39 ZOOMLOCK MAX FOR THE WIN
01:03 ELECTRICAL TROUBLESHOOTING
06:01 LOW [PRESSURE CONTROL DIAGNOSTICS
08:03 TEMPERATURE CONTROL DIAGNOSTICS
12:26 PLEASE DON’T BLOW UP
13:32 BAD VIBRATION
21:02 MAJOR SCHEMATIC FLAW
25:00 CLOSING WORDS

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22 thoughts on “WALK IN FREEZER SERVICE CALL

  1. DogLover95 says:

    It looks like the fans would run non stop and that fan delay wouldn’t change anything. Power from N goes into com then out of com into h4 then out of h4 into the fans. 4 has power always going into the other side of the fans so wouldn’t they always run and the fan delay basically bypassed? If I’m wrong please someone correct me so I can understand.

  2. throttle bottle says:

    as long as the defrost clock cuts power to terminal 4 when it goes to defrost. then you could use the NC contact of thermostat, so the solenoid coil is always powered open and have the timer open it at set point.
    I imagine that's what they meant to do on the schematic and just used the wrong terminal, a thermostat failure would probably fail with circuit on and box getting too cold.

  3. Bait28 says:

    Ive bent the top of the temperature control to physically press against the set wheel, to act as a friction lock, preventing it from moving, not a pretty solution but is a quick fix for customers who would prefer not to or can't spend the money on it, granted the vibration needed attending to more then that, that was pretty violent

  4. Frank T says:

    Wasting customer’s money by explaining something basic that anyone that went to school should know that basic refrigeration system and having 2 guys, dam

  5. Frank T says:

    That’s not true about the fan blades! I replace them all the time and i never have adjust them at all. You make it seems like you are so right amd I’m not trying to knock you down but just being real

  6. Alex J says:

    I love long video lengths. Too many people think knowledge can be just jammed into a 3 minute video because of short attention spans. I think the longer the video, the more I will learn. Awesome vids!!!

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